FASTag · electronic tolls
A payment made without slowing down
A FASTag pays the toll while the vehicle rolls through the lane. No card, no code, no stop. For one car that's a convenience; for a fleet of trucks it's a balance to keep funded, deductions to check and tags to manage for every vehicle.
- ReadA reader at the lane reads the tag on the windscreen.
- RouteThe plaza's system sends the toll through the national NETC system.
- DebitThe bank that issued the tag debits the balance linked to it.
- CreditThe toll operator's bank is credited for the toll.
- NotifyThe tag holder gets a message with the amount and plaza.
The tag, the bank and the network
A FASTag is a radio-frequency tag stuck to the inside of the windscreen. On its own it holds no money; it identifies the vehicle and the tag account the issuing bank keeps for it. When a lane reader picks up the tag, the toll is deducted from that account.
Between the plaza and the bank sits the National Electronic Toll Collection system, which connects toll operators' banks with tag-issuing banks. For the vehicle owner, the only relationship that matters day to day is with the issuer: that's who funds the tag, sends the messages and handles problems.
| Party | Role |
|---|---|
| Tag holder | The vehicle owner, or the fleet operator; funds the tag |
| Issuing bank | Issues the tag, keeps the tag account, debits tolls, handles disputes |
| NETC system | Routes toll transactions between plazas' banks and issuing banks |
| Toll operator and its bank | Runs the plaza and receives the tolls |
Why there's no OTP at the barrier
Almost every digital payment in India needs two factors of authentication, usually a card or device plus an OTP or PIN. A vehicle moving through a toll lane can't provide one, so RBI lists NETC transactions among the existing exemptions in its Authentication Directions, 2025.
The trade-off is that anyone driving the vehicle can spend the tag balance on tolls. That's why keeping balances sensible, and watching the messages, matters more here than for most payments.
Other listed exemptions include
- Small-value contactless card payments
- Recurring payments under an e-mandate, after the first
- Select prepaid instruments, such as those for mass transit
From Annexure-1 of RBI's Authentication Directions, 2025.
Keeping tags funded
A tag with too little balance fails at the plaza, and the vehicle has to pay another way. Most owners use one of three approaches, and fleets often mix them.
Manual top-up
Recharge through the issuer's app, UPI or a payment app when the balance runs low. Simple, but relies on someone noticing.
Auto-replenish mandate
An e-mandate tops the balance up when it falls below a level. RBI's e-mandate framework says no pre-debit notice is needed for FASTag auto-replenishment; a post-debit notice still follows.
Linked account
Some issuers link the tag to a bank account directly. Convenient, but the account balance then drives whether tolls go through.
How mandates work more generally: subscription payments and NACH.
Running tags for a fleet
With a handful of vehicles, tags look after themselves. With fifty trucks on different routes, toll becomes a real cost line and tags an asset register of their own. The work is the same every month: keep them funded, check what was deducted, and keep the list of tags matching the list of vehicles.
One tag, one vehicle
Keep a register: registration number, tag, issuer, and who drives it.
Funding model
Separate balances per vehicle, or a shared arrangement if the issuer offers one.
Low-balance alerts
To the person who can fund it, not only to the driver's phone.
Trip matching
Toll deductions checked against planned routes each week.
Joiners and leavers
New vehicles tagged before their first trip; sold ones closed the same week.
Checking what was deducted
Toll charges depend on the vehicle class and the plaza, and occasionally a deduction is wrong: charged twice, at the wrong class, or at a plaza the vehicle never passed. Matching deductions to trips is how you find them.
Download the issuer's statement for each tag, match each deduction to a trip, and raise anything that doesn't match with the issuer promptly, with the date, time, plaza and amount. The longer a wrong deduction sits, the harder it is to explain.
| What you see | Likely cause | What to do |
|---|---|---|
| Two deductions at one plaza, minutes apart | Duplicate read | Raise with the issuer |
| Amount higher than usual for the route | Wrong vehicle class | Check the tag's registered class; raise with the issuer |
| Deduction on a day the vehicle was parked | Tag used elsewhere, or a misread | Check where the tag is; raise with the issuer |
| Toll paid in cash despite a tag | Tag unreadable or balance too low | Check the tag's condition and balance |
Tolls as a cost you can plan
For a transport business, tolls are one of the few trip costs that are known in advance. Every route has a set of plazas and a charge per vehicle class, so the toll for a trip can be estimated before the truck leaves.
Put that estimate into the trip plan, and compare it with actual deductions when the trip is done. Differences point to route changes, wrong classes or duplicate reads, and the totals feed straight into how you price freight.
| Step | Source |
|---|---|
| Planned toll | Route plazas and the vehicle's class |
| Actual toll | The issuer's statement for the tag |
| Difference | Route change, class error or a wrong deduction |
| Cost per trip | Feeds freight pricing and customer billing |
Questions for a tag issuer, if you run a fleet
- 01Can we see and fund all our tags from one place?
- 02Can balances be pooled, or does each tag need its own?
- 03Which alerts can go to our finance team rather than the driver?
- 04What statements and reports do we get, and in what format?
- 05How are wrong deductions raised, and how are we told the outcome?
- 06How do we add, replace and close tags as vehicles change?
Small habits that avoid most problems
Fix the tag where the issuer says. A tag in the wrong place, or kept loose in the cab, fails to read.
Don't move tags between vehicles. The class and registration won't match, and deductions go wrong.
Keep contact details current. Messages about deductions and low balances must reach someone who acts on them.
Close tags on vehicles you no longer run. And recover the balance.
Where Peneu fits
FASTags are issued by banks authorised to issue them. This page doesn't say Peneu issues tags or runs a fleet toll product, and no issuer is named. Whether Peneu offers tag issuance, recharge or fleet tools through an issuer is confirmed during onboarding.
FASTag questions
What is FASTag?
A tag fixed to a vehicle's windscreen that lets tolls be paid electronically as the vehicle passes through a toll lane. It's issued by a bank and linked to a balance or account from which tolls are deducted. Payments run through the National Electronic Toll Collection (NETC) system.
Why doesn't a toll payment ask for an OTP?
Because NETC transactions are one of the listed exemptions from the two-factor authentication requirement in RBI's Authentication Directions, 2025. A vehicle can't stop to enter a code at the barrier.
Can a FASTag top itself up?
Yes, where the issuer offers it: an e-mandate can auto-replenish the balance from a card, UPI or account. Under RBI's e-mandate framework, no advance notice is needed before these particular top-ups, but a notice is still sent after each debit.
Who do I contact about a wrong toll deduction?
The bank that issued the tag. It handles disputes with the toll operator's side through the system's processes. Keep the message you received, the date, time and plaza, and the vehicle's details.
Can one FASTag be used on different vehicles?
No. A tag is issued against a specific vehicle's registration, and moving it between vehicles causes wrong toll classes and failed reads. Rules on vehicle verification and tags per vehicle are set by the authorities and applied by issuers; follow your issuer's instructions.
What happens when a vehicle is sold?
Close or transfer the tag with the issuer as it directs, and recover any balance. Otherwise tolls from the vehicle's new owner could be charged to you.
Why did my FASTag fail at a plaza when it had balance?
Usually because the tag couldn't be read (damaged, badly placed, or behind a tinted or coated windscreen area) or because the tag's status at the issuer isn't active. Check the tag's condition and status with the issuer, and replace a damaged tag.
Can a business see all its vehicles' toll spend in one place?
That depends on the issuer: some offer fleet or corporate accounts with combined statements. Ask when choosing an issuer, and keep your own vehicle-to-tag register either way.
Does Peneu issue FASTags?
FASTags are issued by banks authorised to issue them. This page doesn't say Peneu issues tags. Whether Peneu offers tag issuance, recharge or fleet tools through an issuer is confirmed during onboarding.
Official sources
- RBI — Authentication mechanisms for digital payment transactions Directions, 2025 (25 Sep 2025)Annexure-1: NETC transactions among the existing exemptions from two-factor authentication.
- RBI — Digital Payments – E-mandate Framework, 2026 (21 Apr 2026)No pre-transaction notification for e-mandates that auto-replenish FASTag balances; post-transaction notification still required.
Last reviewed . Examples, amounts and screens marked illustrative are not Peneu figures.